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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+/* import-globals-from ../performance-controller.js */
+/* import-globals-from ../performance-view.js */
+/* globals DetailsSubview */
+"use strict";
+
+/**
+ * CallTree view containing profiler call tree, controlled by DetailsView.
+ */
+var JsCallTreeView = Heritage.extend(DetailsSubview, {
+
+ rerenderPrefs: [
+ "invert-call-tree",
+ "show-platform-data",
+ "flatten-tree-recursion",
+ "show-jit-optimizations",
+ ],
+
+ // Units are in milliseconds.
+ rangeChangeDebounceTime: 75,
+
+ /**
+ * Sets up the view with event binding.
+ */
+ initialize: function () {
+ DetailsSubview.initialize.call(this);
+
+ this._onLink = this._onLink.bind(this);
+ this._onFocus = this._onFocus.bind(this);
+
+ this.container = $("#js-calltree-view .call-tree-cells-container");
+
+ this.optimizationsElement = $("#jit-optimizations-view");
+ },
+
+ /**
+ * Unbinds events.
+ */
+ destroy: function () {
+ ReactDOM.unmountComponentAtNode(this.optimizationsElement);
+ this.optimizationsElement = null;
+ this.container = null;
+ this.threadNode = null;
+ DetailsSubview.destroy.call(this);
+ },
+
+ /**
+ * Method for handling all the set up for rendering a new call tree.
+ *
+ * @param object interval [optional]
+ * The { startTime, endTime }, in milliseconds.
+ */
+ render: function (interval = {}) {
+ let recording = PerformanceController.getCurrentRecording();
+ let profile = recording.getProfile();
+ let showOptimizations = PerformanceController.getOption("show-jit-optimizations");
+
+ let options = {
+ contentOnly: !PerformanceController.getOption("show-platform-data"),
+ invertTree: PerformanceController.getOption("invert-call-tree"),
+ flattenRecursion: PerformanceController.getOption("flatten-tree-recursion"),
+ showOptimizationHint: showOptimizations
+ };
+ let threadNode = this.threadNode = this._prepareCallTree(profile, interval, options);
+ this._populateCallTree(threadNode, options);
+
+ // For better or worse, re-rendering loses frame selection,
+ // so we should always hide opts on rerender
+ this.hideOptimizations();
+
+ this.emit(EVENTS.UI_JS_CALL_TREE_RENDERED);
+ },
+
+ showOptimizations: function () {
+ this.optimizationsElement.classList.remove("hidden");
+ },
+
+ hideOptimizations: function () {
+ this.optimizationsElement.classList.add("hidden");
+ },
+
+ _onFocus: function (_, treeItem) {
+ let showOptimizations = PerformanceController.getOption("show-jit-optimizations");
+ let frameNode = treeItem.frame;
+ let optimizationSites = frameNode && frameNode.hasOptimizations()
+ ? frameNode.getOptimizations().optimizationSites
+ : [];
+
+ if (!showOptimizations || !frameNode || optimizationSites.length === 0) {
+ this.hideOptimizations();
+ this.emit("focus", treeItem);
+ return;
+ }
+
+ this.showOptimizations();
+
+ let frameData = frameNode.getInfo();
+ let optimizations = JITOptimizationsView({
+ frameData,
+ optimizationSites,
+ onViewSourceInDebugger: (url, line) => {
+ gToolbox.viewSourceInDebugger(url, line).then(success => {
+ if (success) {
+ this.emit(EVENTS.SOURCE_SHOWN_IN_JS_DEBUGGER);
+ } else {
+ this.emit(EVENTS.SOURCE_NOT_FOUND_IN_JS_DEBUGGER);
+ }
+ });
+ }
+ });
+
+ ReactDOM.render(optimizations, this.optimizationsElement);
+
+ this.emit("focus", treeItem);
+ },
+
+ /**
+ * Fired on the "link" event for the call tree in this container.
+ */
+ _onLink: function (_, treeItem) {
+ let { url, line } = treeItem.frame.getInfo();
+ gToolbox.viewSourceInDebugger(url, line).then(success => {
+ if (success) {
+ this.emit(EVENTS.SOURCE_SHOWN_IN_JS_DEBUGGER);
+ } else {
+ this.emit(EVENTS.SOURCE_NOT_FOUND_IN_JS_DEBUGGER);
+ }
+ });
+ },
+
+ /**
+ * Called when the recording is stopped and prepares data to
+ * populate the call tree.
+ */
+ _prepareCallTree: function (profile, { startTime, endTime }, options) {
+ let thread = profile.threads[0];
+ let { contentOnly, invertTree, flattenRecursion } = options;
+ let threadNode = new ThreadNode(thread, { startTime, endTime, contentOnly, invertTree,
+ flattenRecursion });
+
+ // Real profiles from nsProfiler (i.e. not synthesized from allocation
+ // logs) always have a (root) node. Go down one level in the uninverted
+ // view to avoid displaying both the synthesized root node and the (root)
+ // node from the profiler.
+ if (!invertTree) {
+ threadNode.calls = threadNode.calls[0].calls;
+ }
+
+ return threadNode;
+ },
+
+ /**
+ * Renders the call tree.
+ */
+ _populateCallTree: function (frameNode, options = {}) {
+ // If we have an empty profile (no samples), then don't invert the tree, as
+ // it would hide the root node and a completely blank call tree space can be
+ // mis-interpreted as an error.
+ let inverted = options.invertTree && frameNode.samples > 0;
+
+ let root = new CallView({
+ frame: frameNode,
+ inverted: inverted,
+ // The synthesized root node is hidden in inverted call trees.
+ hidden: inverted,
+ // Call trees should only auto-expand when not inverted. Passing undefined
+ // will default to the CALL_TREE_AUTO_EXPAND depth.
+ autoExpandDepth: inverted ? 0 : undefined,
+ showOptimizationHint: options.showOptimizationHint
+ });
+
+ // Bind events.
+ root.on("link", this._onLink);
+ root.on("focus", this._onFocus);
+
+ // Clear out other call trees.
+ this.container.innerHTML = "";
+ root.attachTo(this.container);
+
+ // When platform data isn't shown, hide the cateogry labels, since they're
+ // only available for C++ frames. Pass *false* to make them invisible.
+ root.toggleCategories(!options.contentOnly);
+
+ // Return the CallView for tests
+ return root;
+ },
+
+ toString: () => "[object JsCallTreeView]"
+});
+
+EventEmitter.decorate(JsCallTreeView);